1#- 2# Copyright (c) 2006 M. Warner Losh <imp@FreeBSD.org> 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions 6# are met: 7# 1. Redistributions of source code must retain the above copyright 8# notice, this list of conditions and the following disclaimer. 9# 2. Redistributions in binary form must reproduce the above copyright 10# notice, this list of conditions and the following disclaimer in the 11# documentation and/or other materials provided with the distribution. 12# 13# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23# SUCH DAMAGE. 24# 25# Portions of this software may have been developed with reference to 26# the SD Simplified Specification. The following disclaimer may apply: 27# 28# The following conditions apply to the release of the simplified 29# specification ("Simplified Specification") by the SD Card Association and 30# the SD Group. The Simplified Specification is a subset of the complete SD 31# Specification which is owned by the SD Card Association and the SD 32# Group. This Simplified Specification is provided on a non-confidential 33# basis subject to the disclaimers below. Any implementation of the 34# Simplified Specification may require a license from the SD Card 35# Association, SD Group, SD-3C LLC or other third parties. 36# 37# Disclaimers: 38# 39# The information contained in the Simplified Specification is presented only 40# as a standard specification for SD Cards and SD Host/Ancillary products and 41# is provided "AS-IS" without any representations or warranties of any 42# kind. No responsibility is assumed by the SD Group, SD-3C LLC or the SD 43# Card Association for any damages, any infringements of patents or other 44# right of the SD Group, SD-3C LLC, the SD Card Association or any third 45# parties, which may result from its use. No license is granted by 46# implication, estoppel or otherwise under any patent or other rights of the 47# SD Group, SD-3C LLC, the SD Card Association or any third party. Nothing 48# herein shall be construed as an obligation by the SD Group, the SD-3C LLC 49# or the SD Card Association to disclose or distribute any technical 50# information, know-how or other confidential information to any third party. 51# 52# $FreeBSD$ 53# 54 55# 56# This is the set of callbacks that mmc bridges call into the bus, or 57# that mmc/sd card drivers call to make requests. 58# 59 60#include <sys/lock.h> 61#include <sys/mutex.h> 62#include <sys/types.h> 63#include <sys/sysctl.h> 64#include <sys/taskqueue.h> 65 66#include <machine/bus.h> 67 68#include <dev/mmc/bridge.h> 69#include <dev/sdhci/sdhci.h> 70 71CODE { 72 static int 73 null_set_clock(device_t brdev __unused, 74 struct sdhci_slot *slot __unused, 75 int clock) 76 { 77 return (clock); 78 } 79 80 static void 81 null_set_uhs_timing(device_t brdev __unused, 82 struct sdhci_slot *slot __unused) 83 { 84 85 } 86} 87 88INTERFACE sdhci; 89 90METHOD uint8_t read_1 { 91 device_t brdev; 92 struct sdhci_slot *slot; 93 bus_size_t off; 94} 95 96METHOD uint16_t read_2 { 97 device_t brdev; 98 struct sdhci_slot *slot; 99 bus_size_t off; 100} 101 102METHOD uint32_t read_4 { 103 device_t brdev; 104 struct sdhci_slot *slot; 105 bus_size_t off; 106} 107 108METHOD void read_multi_4 { 109 device_t brdev; 110 struct sdhci_slot *slot; 111 bus_size_t off; 112 uint32_t *data; 113 bus_size_t count; 114} 115 116METHOD void write_1 { 117 device_t brdev; 118 struct sdhci_slot *slot; 119 bus_size_t off; 120 uint8_t val; 121} 122 123METHOD void write_2 { 124 device_t brdev; 125 struct sdhci_slot *slot; 126 bus_size_t off; 127 uint16_t val; 128} 129 130METHOD void write_4 { 131 device_t brdev; 132 struct sdhci_slot *slot; 133 bus_size_t off; 134 uint32_t val; 135} 136 137METHOD void write_multi_4 { 138 device_t brdev; 139 struct sdhci_slot *slot; 140 bus_size_t off; 141 uint32_t *data; 142 bus_size_t count; 143} 144 145METHOD int platform_will_handle { 146 device_t brdev; 147 struct sdhci_slot *slot; 148} 149 150METHOD void platform_start_transfer { 151 device_t brdev; 152 struct sdhci_slot *slot; 153 uint32_t *intmask; 154} 155 156METHOD void platform_finish_transfer { 157 device_t brdev; 158 struct sdhci_slot *slot; 159} 160 161METHOD uint32_t min_freq { 162 device_t brdev; 163 struct sdhci_slot *slot; 164} DEFAULT sdhci_generic_min_freq; 165 166METHOD bool get_card_present { 167 device_t brdev; 168 struct sdhci_slot *slot; 169} DEFAULT sdhci_generic_get_card_present; 170 171METHOD void set_uhs_timing { 172 device_t brdev; 173 struct sdhci_slot *slot; 174} DEFAULT null_set_uhs_timing; 175 176METHOD int set_clock { 177 device_t brdev; 178 struct sdhci_slot *slot; 179 int clock; 180} DEFAULT null_set_clock; 181 182METHOD void reset { 183 device_t brdev; 184 struct sdhci_slot *slot; 185 uint8_t mask; 186} DEFAULT sdhci_generic_reset; 187